From 6b697a4ca597c3b03749e451aaa66055322280ed Mon Sep 17 00:00:00 2001
From: gil <kalanggam@proton.me>
Date: Thu, 16 May 2024 11:38:01 -0500
Subject: [PATCH] Add abort & update panic handler

---
 src/main.rs | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index b24a777..7a841c3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -96,12 +96,24 @@ extern "C" fn start() -> ! {
     }
 }
 
-#[panic_handler]
-fn on_panic(info: &PanicInfo) -> ! {
-    // print panic info and hang
-    println!("{}", info);
+#[no_mangle]
+extern "C" fn eh_personality() {}
 
-    loop {}
+#[panic_handler]
+fn panic(info: &PanicInfo) -> ! {
+    // print panic info and abort
+    println!("{}", info);
+    abort();
+}
+
+#[no_mangle]
+extern "C" fn abort() -> ! {
+    use core::arch::asm;
+    loop {
+        unsafe {
+            asm!("wfi");
+        }
+    }
 }
 
 // TODO unit testing